# Function Visualizer — Graph functions in 2D & 3D

> Graph functions in 2D & 3D (iPhone/iPad app by 陆平 郭.)

- Source: https://appshunter.io/ios/app/function-visualizer/id6819015823 (this page in markdown: same URL + `.md`)
- Developer: [陆平 郭](https://appshunter.io/developer/6794156925)
- Category: Education, Utilities
- Price: $4.99
- Age rating: 4+
- Requires: iOS 16.0 · 2 MB
- Languages: American English, French (France), Japanese, Korean, Russian, Chinese (Simplified, China), Vietnamese
- Released: 2026-10-17
- Data updated: 2026-10-20

## What is Function Visualizer?

Function Visualizer turns equations into clear, interactive graphs on your device.

• 2D plotting: type expressions such as sin(x), x^2 or 1/x and see the curve instantly.
• 3D surfaces and implicit equations: explore surfaces like x^2+y^2.
• Calculus: evaluate integrals ∫(x^2,0,1), derivatives d(sin(x),0) and variable-limit integrals ∫(sin(t),0,x).
• Built-in symbol bar for fast expression input.
• Export high-resolution PNG images or data as CSV.
• Interface available in seven languages.
• Works fully offline: no account, no ads, no tracking.

## Is Function Visualizer safe?

Not enough ratings yet to assess Function Visualizer.

## Is Function Visualizer legit?

Function Visualizer appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Function Visualizer is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-10-17

No release notes.

## More apps by 陆平 郭

- [OurSafTrace](https://appshunter.io/ios/app/oursaftrace/id6801978936)
- [MeowGlow](https://appshunter.io/ios/app/meowglow/id6807193080)
- [PcPhoneTransfer](https://appshunter.io/ios/app/pcphonetransfer/id6811996373)

All apps by 陆平 郭: https://appshunter.io/developer/6794156925

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-20.*